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Ontotext AD

Ontotext AD is a Sirma Group company focused on research and development of core technologies for knowledge representation, information extraction and retrieval and a developer of several outstanding products and major contributor to open-source platforms including KIM semantic annotation platform; wsmo4j semantic web services API and the WSMO Studio service development environment; OWLIM - the fastest and most scalable OWL engine; GATE language engineering platform; Sesame semantic repository. The company’s competence covers ontology design, management, and alignment; knowledge representation, reasoning; information extraction (IE), applications in information retrieval (IR); Upper-level ontologies and lexical semantics; NLP and language engineering: POS- tagging, gazetteers, co-reference resolution, etc; Machine Learning: HMM, NN, CRF; Semantic Web Services. The company is a participant in a number of EC-funded projects, and as a member of W3C, involved in the development of the vision and the standards powering the development of the web.

At present Ontotext has over 35 employees and a number of scientific affiliates. Its researchers have more than 50 publications in refereed journals and international events.